The fishing and hunting nationality in the north made use of astronomical phenomena change to determine time, direction, seasons, and was in the transition period from observing phenology to astronomical phenomena.

 
  • 北方漁獵民族利用天象變化定時(shí)間、定方向、定季節,正處于從觀(guān)察物候向觀(guān)察天象的過(guò)渡時(shí)期。
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